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128*0.125*0.25/4怎样用简便方法算?
人气:177 ℃ 时间:2020-01-24 19:44:57
解答
128*0.125*0.25/4
=16*8*0.125*0.25*0.25
=16*0.25*0.25
=4*0.25*4*0.25
=1*1
=1
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